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3. Test Condition

3.1 Standard Test Conditions

3.1.1 Unless otherwise specified, all performance tests is required conducted at temperature 25°C±2°C,                   
         Humidity less than 45% ~ 75% RH.
3.1.2 Unless otherwise specified, the tested product is required unused within two month after outgoing.

3.2 Standard Charge Mode

"Standard Charge" means at 25±2°C charge to limit voltage with 0.33C constant current, then charge with 
constant voltage until current less than 0.02ItA. 

3.3 Quick Charge Mode

"Quick Charge" means at 25±2°C charge to limit voltage with 0.5C constant current, then charge with 
constant voltage until current less than 0.02ItA. 

3.4 Standard Discharge Mode

"Standard Discharge" means at 25±2°C discharge to the cut-off voltage with 0.33C current.

3.5 Quick Discharge Mode

"Quick Discharge" means discharge to the cut-off voltage with 0.5C current.

NO.

Items

Description 

Length: 196±2mm

Width:   165.5±2mm

Height:  174±2mm

Dimension

Self-discharge rate

Operating Temperature 

Approx: 5.3±0.5Kg

Charging

0~45°C

Residual capacity

≤3%/month; ≤15%/years

15

16

17

Weight

Discharging

-20~60°C

Recommended operating temperature

15°C~35°C

Reversible capacity

≤1.5%/month; ≤8%/years

Storage Temperature & Humidity Range

Less than 1 month

-20°C~35°C

45% RH~75

% 

RH 

18

Less than 3 months

-10°C~35°C

45% RH~75

% 

RH 

Recommended storage environment

:

15°C~35°C

45% RH~75

% 

RH

14

Long time storage: 
If the battery need be stored for a long time, the voltage should be 13.2V (50% SOC), and stored in the condi-
tion as storage proposal. It need at least one charge & discharge cycle every six months

Polígono industrial La Dehesa
C/ Dehesa Vieja,nº2 Nave 16
28052 Madrid (Spain)
Tel. (+34) 918 021 649
Fax. (+34) 917 750 542
[email protected]

www.masterbattery.es

01

02

UE-12Li30BL

8.0V

13

Discharge cut-off voltage

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